Senior Systems Administrator

4 weeks ago

Herndon, Virginia, United States Peraton Full time
Job Summary

We are seeking an experienced Senior Systems Administrator to join our team at Peraton. The ideal candidate will have a strong background in Linux and Windows System Administration, with a focus on supporting classified environments.

The successful candidate will be responsible for installing, configuring, and maintaining Linux and Windows servers, virtual servers, and application software upgrades. They will also be responsible for supporting database administrators, developing tools to assist in management of systems, and ensuring application documentation.

The Enterprise Systems Engineer will work closely with members of the project team, product subject matter experts, end users, and software engineers to ensure that the application remains operational. They will be responsible for monitoring application performance, providing technical assistance, and consultation to users.

The successful candidate will have a strong understanding of remediating security vulnerabilities and experience hardening Linux and Windows systems in accordance with RMF and STIGs. They will also have experience with Linux and Windows-based procedures and scripting, such as PL/SQL, UNIX - common shell scripting (k, c, bash, etc.).

Key Responsibilities:

  • Provide Linux and Windows Server, Active Directory, VMware, Tier 2/3 support to government customers and other project team members in a DoD enterprise environment.
  • Troubleshoot and debug server-based application(s) and/or IT infrastructure component(s)
  • Perform occasional after-hour tasks, including but not limited to, restarting systems, application upgrades, hardware maintenance, etc.
  • Ensure all necessary documentation to operate and maintain the equipment and/or software is regularly maintained.
  • Perform performance monitoring and provide documentation of issues and recommendations to upper management.
  • Maintain and patch systems, software and applications to eliminate bugs/defects, security vulnerabilities, and maintain technology currency of systems and applications to maintain or renew existing ATOs
  • Participate in change management processes to include patch compliance and Information Assurance Validation Testing.

Qualifications:

  • Bachelor's degree with 8 years of related experience; or Master's Degree with 5 years of related experience; or PhD with 2 years of related experience.
  • Experience installing/configuring and managing Linux and Windows operating systems in a classified environment
  • DoD 8570 Certification in a primary OS (Windows, Linux)
  • Current valid Security+ CE, CASP, CISSP or similar security certification
  • Active DoD Top Secret Security Clearance with the ability to obtain SCI access and a polygraph
  • Ability to work after hours and weekends, when needed for deployments

Preferred Qualifications:

  • Linux and Windows System Administration certification(s)
  • DoDIIS Messaging experience
  • Experience installing/configuring and managing/supporting PostgreSQL and Oracle databases in a classified environment
  • Experience performing system admin duties in the C2S/AWS environment
  • Solid understanding of remediating security vulnerabilities and experience hardening Linux and Windows systems in accordance with RMF and STIGs
  • Experience with Linux and Windows-based procedures and scripting such as PL/SQL, UNIX - common shell scripting (k, c, bash, etc.)
  • Experience with DIA systems
  • Python Scripting experience
  • Knowledge of Linux, Windows, and Weblogic servers
  • Familiarity with DODIIS security/builds
  • Knowledge of enterprise level VMware products
  • Knowledge of API Services (DPaaS), OpenShift4, CI/CD, Oracle Fusion Middleware, WebLogic 12C
  • TS/SCI with polygraph

About Peraton:

Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy.

As the world's leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies.

Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace. The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees do the can't be done by solving the most daunting challenges facing our customers. Visit https://www.peraton.com/ to learn how we're keeping people around the world safe and secure.

Target Salary Range: $112,000 - $179,000. This represents the typical salary range for this position based on experience and other factors.

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